Students of the wind

Purple martins perch on the anemometers on the radio tower near Lake Cheston.

The anemometers were set up this year by Sewanee’s Sustainability Office to test the feasibility of wind-powered electricity generation. The martins probably have an edge in wind wisdom: they are gathering in preparation for their southward migration to Amazonia, powered by biofuels in the form of small flying insects.

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